diff --git a/docs/content/storage-drivers/s3.md b/docs/content/storage-drivers/s3.md
index 669ff058..cf393c8f 100644
--- a/docs/content/storage-drivers/s3.md
+++ b/docs/content/storage-drivers/s3.md
@@ -59,9 +59,8 @@ Amazon S3 or S3 compatible services for object storage.
 
 `loglevel`: (optional) Valid values are: `off` (default), `debug`, `debugwithsigning`, `debugwithhttpbody`, `debugwithrequestretries`, `debugwithrequesterrors` and `debugwitheventstreambody`. See the [AWS SDK for Go API reference](https://docs.aws.amazon.com/sdk-for-go/api/aws/#LogLevelType) for details.
 
-**NOTE:** Currently the S3 storage driver does not support S3 API compatible storage that
-does not allow combining the last part in the multipart upload into a part that is bigger
-than the preconfigured `chunkSize`.
+**NOTE:** Currently the S3 storage driver only supports S3 API compatible storage that
+allows parts of a multipart upload to vary in size. [Cloudflare R2 is not supported.](https://developers.cloudflare.com/r2/objects/multipart-objects/#limitations)
 
 ## S3 permission scopes